Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
977483963Composite: 3 known prime factors
Factored
FactorDigitsBitsDate
202397829378791444.22008-05-30 06:38:35
18842434657942983131960.72015-12-23 17:02:36
578945091135596009272065.72019-02-28 12:18:33
History
DateUserTypeResult
2022-08-14J.R. AllenNF
no factor from 2^62 to 2^65
2019-02-28TJAOIF
Factor: 57894509113559600927 / TF: 65-66
2015-12-23ConductorF
Factor: 1884243465794298313 / TF: 1-62